package com.project.service;

import com.github.pagehelper.PageInfo;
import com.project.bean.ClassBean;

public interface IClassService {

    public void add(ClassBean classBean);

    public void del(int id);

    public void update(int id,String classTeacher);

    public ClassBean findById(int id);

    public PageInfo<ClassBean>findAll(int pageNo);
}
